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Round|Lab Grown|IGI

2.51ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG778663954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778663954

Diamond specifications and retailer prices

From $460 USD
As of October 29, 2026
Save $2,760 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,220 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778663954 or 778663954. Listed at 24 retailers as of October 29, 2026, with prices from $460 to $3,220, a $2,760 spread on the same certified stone. Brilliant Earth lists it at $3,220. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778663954
Dimensions8.67 × 8.74 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
8.67 mm8.74 mm2.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778663954
Side View
Table 56.0%Crown 35.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,220 USD|Low: $442 USD|High: $3,220 USD|Avg: $1,344 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14$460 USD
Retailer 5$570 USD
Retailer 12$710 USD
Retailer 2$755 USD
Retailer 6$765 USD
Retailer 10$868 USD
Retailer 7$940 USD
Retailer 8$1,266 USD
Retailer 13$1,320 USD
Retailer 11$1,376 USD
Retailer 4$2,002 USD
Retailer 9$2,107 USD
Retailer 3$2,485 USD
Brilliant Earth$3,220 USD

34 data points across 14 retailers

24 retailers$460 USD to $3,220 USD

A
Cheapest Retailer
-
$460 USD
A
Retailer 2
-
$514 USD
View
Final sale: no returns
A
Retailer 3
-
$515 USD
View
A
Retailer 4
-
$570 USD
View
Retailer 5
-
$570 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$710 USD
View
A
Retailer 7
-
$755 USD
£594 GBP
View
A
Retailer 8
-
$765 USD
View
A
Retailer 9
-
$847 USD
View
A
Retailer 10
-
$868 USD
€827 EUR
View
B+
Retailer 11
-
$940 USD
£740 GBP
View
B+
Retailer 12
-
$1,141 USD
View
Retailer 13
-
$1,192 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$1,266 USD
A$1,948 AUD
View
B+
Retailer 15
-
$1,320 USD
View
B+
Retailer 16
-
$1,376 USD
ZAR 22,222 ZAR
View
B
Retailer 17
-
$1,833 USD
View
B
Retailer 18
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$1,864 USD
View
B
Retailer 19
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$2,002 USD
View
B
Retailer 20
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$2,023 USD
View
B
Retailer 21
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$2,107 USD
£1,659 GBP
View
B
Retailer 22
-
$2,134 USD
View
Retailer 23
-
$2,485 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
18124807A · Oct 29
$3,220 USD
View
23 more retailers have this diamond
Prices start from $460 USDSave up to $2,760 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.51ct Round
$460 USD